JSC2001-00008 (January 2001) --- Astronaut Steven W. Lindsey, STS-104 mission commander, adjusts his helmet as he prepares to participate in a simulation of a parachute drop into water during emergency bailout training at the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center (JSC). Lindsey will join four other astronauts for a June mission with the International Space Station (ISS).